/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.bigdata.schaduler.enums;

import com.baomidou.mybatisplus.annotation.EnumValue;
import lombok.Getter;
import lombok.NonNull;

import java.util.HashMap;
import java.util.Map;

/**
 * 工作流执行状态
 */
@Getter
public enum WorkflowExecutionStatus {
  // This class is split from <code>ExecutionStatus</code> #11339.
  // In order to compatible with the old value, the code is not consecutive
  SUBMITTED_SUCCESS(0, "submit success"),
  RUNNING_EXECUTION(1, "running"),
  READY_PAUSE(2, "ready pause"),
  PAUSE(3, "pause"),
  READY_STOP(4, "ready stop"),
  STOP(5, "stop"),
  FAILURE(6, "failure"),
  SUCCESS(7, "success"),
  DELAY_EXECUTION(12, "delay execution"),
  SERIAL_WAIT(14, "serial wait"),
  READY_BLOCK(15, "ready block"),
  BLOCK(16, "block"),
  ;

  private static final Map<Integer, WorkflowExecutionStatus> CODE_MAP = new HashMap<>();
  private static final int[] NEED_FAILOVER_STATES = new int[]{
      SUBMITTED_SUCCESS.getCode(),
      RUNNING_EXECUTION.getCode(),
      DELAY_EXECUTION.getCode(),
      READY_PAUSE.getCode(),
      READY_STOP.getCode()
  };

  static {
    for (WorkflowExecutionStatus executionStatus : WorkflowExecutionStatus.values()) {
      CODE_MAP.put(executionStatus.getCode(), executionStatus);
    }
  }

  /**
   * Get <code>WorkflowExecutionStatus</code> by code, if the code is invalidated will throw {@link IllegalArgumentException}.
   */
  public static @NonNull WorkflowExecutionStatus of(int code) {
    WorkflowExecutionStatus workflowExecutionStatus = CODE_MAP.get(code);
    if (workflowExecutionStatus == null) {
      throw new IllegalArgumentException(String.format("The workflow execution status code: %s is invalidated",
          code));
    }
    return workflowExecutionStatus;
  }

  public boolean isRunning() {
    return this == RUNNING_EXECUTION;
  }

  public boolean canStop() {
    return this == RUNNING_EXECUTION || this == READY_PAUSE;
  }

  public boolean isFinished() {
    // todo: do we need to remove pause/block in finished judge?
    return isSuccess() || isFailure() || isStop() || isPause() || isBlock();
  }

  /**
   * status is success
   *
   * @return status
   */
  public boolean isSuccess() {
    return this == SUCCESS;
  }

  public boolean isFailure() {
    return this == FAILURE;
  }

  public boolean isPause() {
    return this == PAUSE;
  }

  public boolean isReadyStop() {
    return this == READY_STOP;
  }

  public boolean isStop() {
    return this == STOP;
  }

  public boolean isBlock() {
    return this == BLOCK;
  }

  public static int[] getNeedFailoverWorkflowInstanceState() {
    return NEED_FAILOVER_STATES;
  }

  @EnumValue
  private final int code;

  private final String desc;

  WorkflowExecutionStatus(int code, String desc) {
    this.code = code;
    this.desc = desc;
  }

  public int getCode() {
    return code;
  }

  public String getDesc() {
    return desc;
  }

  @Override
  public String toString() {
    return "WorkflowExecutionStatus{" + "code=" + code + ", desc='" + desc + '\'' + '}';
  }
}
